Having the longest span among all other nature trails in the country parks in Hong Kong and featuring many undulating sections, Tai Lam Nature Trail is only suitable for the fit and experienced. The trail introduces the flora and fauna, the cultural history, and the geological landforms in the area. It also offers views of Pak Kung Temple, which was built by villagers in Yuen Long, Kat Hing Bridge, which was constructed in the late 19th century, Rhodoleia, which is a native plant that blossoms in early spring, and Romer’s Tree Frogs, which are about the size of a thumb. Since the suction discs of their digits are underdeveloped, this species seldom climbs trees; they are usually seen on the ground thick with fallen leaves. One of the turns of the footpaths commands the vistas of Tai Lam Chung Reservoir, which is also known as Thousand-island Lake. Before the Second World War, inside the valley there was a village called Tai Lam, which is now submerged by the reservoir. The stream that enters the valley is named Tai Lam Chung. The picturesque setting has become a popular social media check-in spot among hikers.